Tumor Board Management of Complex Skin …...©2011 MFMER | slide-1 Tumor Board Management of...
Transcript of Tumor Board Management of Complex Skin …...©2011 MFMER | slide-1 Tumor Board Management of...
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©2011 MFMER | slide-1
Tumor Board Management of Complex Skin Cancers
DFSP, EMPD, and Melanoma Jerry D. Brewer, MD, MS, FAAD [email protected] Professor of Dermatology Division of Dermatologic Surgery Department of Dermatology Mayo Clinic / Mayo Clinic College of Medicine
AAD February 18, 2018
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Disclosures
• None
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Dermatofibrosarcoma Protuberans
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History • 39 yo female • DFSP in the right mons pubis • Very sensitive to surgery (can’t do it awake) • Sent for 2nd opinion of best way to treat
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Work up • Excisional biopsy
• Felt to have positive margins • MRI
• No definite residual tumor in the subcutaneous tissues or subjacent muscles
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Pre-op
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Course • Coordination with outpatient surgery unit • Mohs with conscious sedation • Tumor cleared with 2 stages
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Defect
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Closure
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6 month post-op
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Course • DFSP – couldn’t be better! • Family
• Increased stress • Mom with “cancer” • 2 Teenage sons
• Previous A / B student • Very good basketball player • School – Grades plumet • Drops out of basketball team • Drugs and alcohol
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Course • Took > 2 years • One son back on track fairly quick • Other more struggles
• Starting to get out of drugs and alcohol • Family doing well • Following January
• Invasive ductal carcinoma – right breast • Currently undergoing treatment • Family stable
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Lessons • Things might look fantastic from our standpoint • We may not really truly understand the stressors families
feel with what patients go through • We treat skin cancer every day
• Routine • For patients…it is not routine
• very much a stress for many • Good to keep perspective
• What patients and families might be going through ©2011 MFMER | slide-14
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Case 2 - DFSP
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History • 51 year old female • Lump on left shoulder
• Noticed July 2017 • US guided biopsy
• Favor DFSP vs Cellular Fibrous Histiocytoma • MRI
• 8-mm enhancing soft tissue nodule • Abuts and likely invades the deltoid muscle
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Pre-op
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Course • Scheduled for Mohs Surgery • Consult with Orthopedics Oncology
• Possible collaboration in case deeper than anticipated
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Course • Patients apt for Mohs surgery canceled • Called patient
• Told by Orthopedic Oncologic Surgeon • You should not have Mohs
• “We would like more of a wider margin than a more close margin excision”
• Need deltoid removed all the way to acromion • Parascapular flap closure
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Course • Called Orthopedic Oncology colleague
• Discussed differences of opinion • Patient confused
• Requested another call from Orthopedic Oncology colleague
• Ultimately decided to go with Mohs surgery
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Debulking
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Final Defect – clear with 2 stages
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Closure
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Forest Plot – Recurrence MMS vs WLE
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• Heterogeneity • p value – 0.133
• Model • p value – 0.024
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Course • Patient recovered well • Minimal pain
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Lessons • Difficult tumors • Better when collaborating • Sometimes collaborating can bring an extra layer of
confusion • Good to have all collaborators on same page
• Decreases mixed messages sent to pt • Sometimes collaborating on difficult cases
• Good opportunity to cordially educate colleagues
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Extramammary Paget’s Disease
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History • 83 year old female • Rash in vulva for 2 years
• Very itchy, burns, and sometimes bleeds • Treated with topical clobetasol • Felt to be LS&A by IM
• Biopsied • EMPD
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Pre-op
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Course • Scouting biopsies
• Prior to surgery
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Scouting Biopsies
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Positive Scouting Biopsies • Right vulva A, J, K, L, M, R, Q, and P • Key here – right vulva S was negative!
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Course
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Course
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Closure post mohs
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Course
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Course
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Closure
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Course • Pt doing well • Recovery without complications
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Lessons • Scouting biopsies
• Very helpful! • Collaboration
• Gyn/Onc • Plastic Surgery
• Good communication • Scheduling • Expectations
• Challenging tumor can be satisfying
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Melanoma
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Kai AC, Richards T, Coleman A, Mallipeddi R, Barlow R, Craythorne EE. Five-year recurrence rate of lentigo maligna after treatment with imiquimod. Br J Dermatol. 2016 Jan;174(1):165-8.
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Imiquimod and Lentigo Maligna • Recurrence rate post MMS
• 0 to 6.25% • 40 patients • Imiquimod three times weekly x 6 weeks • 25 (62.5%) – experienced inflammation • 15 non-inflamed
• Continued 5 times weekly x 4 additional weeks • All eventually experienced inflammation
Kai AC, Richards T, Coleman A, Mallipeddi R, Barlow R, Craythorne EE. Five-year recurrence rate of lentigo maligna after treatment with imiquimod. Br J Dermatol. 2016 Jan;174(1):165-8.
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Imiquimod and Lentigo Maligna • 3 died • 11 (27.5%)
• Residual LM on histology • 18 (66.7%)
• Clear pathologically • 0% 5 year recurrence
Kai AC, Richards T, Coleman A, Mallipeddi R, Barlow R, Craythorne EE. Five-year recurrence rate of lentigo maligna after treatment with imiquimod. Br J Dermatol. 2016 Jan;174(1):165-8.
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History • 61 yo female • 1998 biopsy – supposed LM that was not read correctly
• Untreated for 5 years • Early 2000 – re-evaluated…LM
• 3 surgeries – plastic surgery • Flap closures • SLNB
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History • 2007 – Outside dermatologist
• Biopsies – atypical melanocytic hyperplasia • Imiquimod – pt stopped prematurely
• 2009 – two more biopsies • LM • 4 more months of Imiquimod • Pigmented areas resolved
• 2010 • Mayo Clinic • Do I need anything else done?
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61 yo female with recurrent LM
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October 2011
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©2011 MFMER |
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Case • 63 yo PA • LMM of the scalp
• Breslow 1.2mm • Clark IV • 0 Mitosis /mm2
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Pre-op
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Positive 1st Layer
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Positive 1st Layer
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Lessons • Be careful deciding initial treatment approach • Surgery 1st line • Consider topical therapy carefully • Scouting biopsies • Mohs surgery • Mart-1 Immunostains helpful • Collaboration important • Close follow up
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Comments/Questions
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Thank You!